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Pods/ZLPhotoBrowser/Sources/Extensions/PHAsset+ZLPhotoBrowser.swift

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+//
+//  PHAsset+ZLPhotoBrowser.swift
+//  ZLPhotoBrowser
+//
+//  Created by long on 2020/12/16.
+//
+//  Copyright (c) 2020 Long Zhang <495181165@qq.com>
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+import Photos
+import MobileCoreServices
+
+public extension ZLPhotoBrowserWrapper where Base: PHAsset {
+    var isInCloud: Bool {
+        guard let resource = resource else {
+            return false
+        }
+        return !(resource.value(forKey: "locallyAvailable") as? Bool ?? true)
+    }
+
+    var isGif: Bool {
+        guard let filename = filename else {
+            return false
+        }
+        
+        return filename.hasSuffix("GIF")
+    }
+    
+    var filename: String? {
+        base.value(forKey: "filename") as? String
+    }
+    
+    var resource: PHAssetResource? {
+        PHAssetResource.assetResources(for: base).first
+    }
+}